I'll answer.  It's just the output resolution coupled with camera right/up,
so:

+w200 +h100  in the command line, or Width=200 Height=100 in the INI file,
for example.  Then:

camera {
 location Wherever
  right x up y/2 // 1:0.5 = 2:1
 look_at Somewhere
}

Bob H.

"Jason Jong" <nos### [at] redshiftcom> wrote in message
news:3b213925$1@news.povray.org...
> How do I change the render ratio to 2:1?

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